No it doesn’t, or at least it didn’t for years if that has changed recently.
No one that knew about this was talking about it or doing anything about it.
The reality of the situation is only three organisations are capable of producing fully fledged browsers. Google, Apple and Firefox. Every variant, spin and de-whatever is nothing compared to developing a browser. All the chrome derivatives had this in them, arbitrarily execution of code from google. Code that wasn’t included in the binary when you downloaded or updated it. The sort of thing a virus would do. The sort of tool you would use to compromise the security of a system.
If you want a de-googled chrome the only option is safari, it’s chrome before google got its hands on it. If you want properly open and accessible browsers you need to use something else entirely like Firefox.
De-googled chrome is a myth.
People have attached pens to 3d printers and used them to write letters, effectively print. Most consumer 3D printers are useing or based on open source software.
I think the issue is, printers are relatively cheap to buy and replace. So building your own and programming it hasn’t been necessary. Where as 3d printing was completely in accessible before the reprap movement. 3D printing software is open source as it is motivated by people wanting to build their own machines that could build machines. Something you couldn’t easily buy.